Comparisons
Ile-de-France vs. the other two most closely populated regions in France: Auvergne-Rhone-Alpes and Provence-Alpes-Cote d'Azur
Île-de-France in context: Street-network sprawl of new development
The level of street-network sprawl in new development in Île-de-France peaked in 1976-1990. To get a sense of how street development has changed in Île-de-France, we can consider three of its most populous cities: Paris, Cergy and Maurepas. Out of the three cities, Paris and Cergy do not follow the same trend as the region. The level of street-network sprawl in new development in Paris peaked in 1991-2005. The level of street-network sprawl in new development in Cergy rose steadily.
Île-de-France in context: Aggregate street-network sprawl
As of 2020, the city with the most disconnected street network in Île-de-France is Poissy with an SNDi of 3.42, which is relatively sprawly. Conversely, the most connected city is Paris with an SNDi of 2.16, which is well-connected. See trends for these cities: Paris, Poissy
The level of street-network sprawl in the aggregate network in Île-de-France rose steadily. To get a sense of how the aggregate street network has changed in Île-de-France, we can consider three of its most populous cities: Paris, Cergy and Maurepas. Out of the three cities, Maurepas does not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Maurepas peaked in 1976-1990.